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Haxe
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2025-01-22 16:18:30 +01:00
/*
* Copyright (C)2005-2019 Haxe Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package haxe;
/**
Log primarily provides the `trace()` method, which is invoked upon a call to
`trace()` in Haxe code.
**/
class Log {
/**
Format the output of `trace` before printing it.
**/
public static function formatOutput(v:Dynamic, infos:PosInfos):String {
var str = Std.string(v);
if (infos == null)
return str;
var pstr = infos.fileName + ":" + infos.lineNumber;
if (infos.customParams != null)
for (v in infos.customParams)
str += ", " + Std.string(v);
return pstr + ": " + str;
}
/**
Outputs `v` in a platform-dependent way.
The second parameter `infos` is injected by the compiler and contains
information about the position where the `trace()` call was made.
This method can be rebound to a custom function:
var oldTrace = haxe.Log.trace; // store old function
haxe.Log.trace = function(v, ?infos) {
// handle trace
}
...
haxe.Log.trace = oldTrace;
If it is bound to null, subsequent calls to `trace()` will cause an
exception.
**/
public static dynamic function trace(v:Dynamic, ?infos:PosInfos):Void {
var str = formatOutput(v, infos);
#if js
if (js.Syntax.typeof(untyped console) != "undefined" && (untyped console).log != null)
(untyped console).log(str);
#elseif lua
untyped __define_feature__("use._hx_print", _hx_print(str));
#elseif sys
Sys.println(str);
#else
throw new haxe.exceptions.NotImplementedException()
#end
}
}